Answers

Subtract 18/80 from 72/25

1^st number: 2 22/25, 2^nd number: 18/80

72/25 - 18/80 is 531/200.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 80 is 400
   
   Next, find the equivalent fraction of both fractional numbers with denominator 400
2. For the 1st fraction, since 25 × 16 = 400,
   72/25 = 72 × 16/25 × 16 = 1152/400
3. Likewise, for the 2nd fraction, since 80 × 5 = 400,
   18/80 = 18 × 5/80 × 5 = 90/400
4. Subtract the two like fractions:
   1152/400 - 90/400 = 1152 - 90/400 = 1062/400
5. After reducing the fraction, the answer is 531/200
6. In mixed form: 2131/200

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